<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page,index) of pages" :key="index">
                <div class="icon" v-for='item of page' :key="item.id">
                    <div class="icon-img">
                        <img class="content" :src="item.imgUrl"/>
                    </div>
                    <p class="icon-desc">
                        {{item.desc}}
                    </p>
                </div>
            </swiper-slide>
        </swiper>

    </div>
</template>

<script>
export default {
    name:'HomeIcons',
    props:{
        iconList:Array
    },
    data(){
        return{
            swiperOption:{
                autoplay:false
            }
        }
    },
    computed:{
        pages(){
            const pages=[]
            this.iconList.forEach((item,index) => {
                const page=Math.floor(index/8)
                if(!pages[page]){
                    pages[page]=[]
                }
                pages[page].push(item)
            });
            return pages
        }
    }
}
</script>

<style lang="stylus" scoped>
@import '~styles/mixins.styl' 
        .icons>>>.swiper-container
            height 0
            padding-bottom 50%
    .icons
        margin-top .2rem
        touch-action none
        .icon
            position relative
            overflow hidden
            float left
            height 0
            width 25%
            padding-bottom 25%
            .icon-img
                position absolute
                top 0
                left  0
                right 0
                text-align center
                bottom .44rem
                .content
                    height : 100%
            .icon-desc
                position absolute
                left 0
                right 0 
                bottom 0
                height .44rem
                line-height .44rem
                text-align center
                color $darkTextColor
                ellipsis()
</style>
